Tanzanite is a captivating blue-violet gemstone recognized as a December birthstone, often presented as an alternative to turquoise. Valued for its vivid coloration and increasingly popular in jewelry, particularly bracelets, tanzanite carries symbolism of wisdom, truth, and positive energy. This article will explore the history, geological origins, gemological properties, and care of this relatively recent addition to the world of gemstones.
History and Lore
The first discovery of tanzanite occurred in 1967 in Africa, specifically in Tanzania, though significant mining didn’t commence until 1971. Despite its recent introduction to the gem market, tanzanite quickly gained recognition for its unique beauty. Initially, many were unaware of its potential, but its captivating color soon changed the fortunes of the Tanzanian people. The gemstone is also associated with the 24th wedding anniversary, adding to its significance as a stone of commitment and enduring love.
Throughout history, gemstones have been imbued with symbolic meaning, and tanzanite is no exception. It is believed to bring positivity to the wearer’s life, converting negative energies into positive ones and increasing inner strength. This belief aligns with its association with the Throat, Third Eye, and Crown Chakras, fostering spiritual growth, self-expression, and a deeper connection with the universe. It is considered a conduit for spiritual growth, guiding individuals to speak their truth with clarity and compassion.
Geological Formation and Sources
Tanzanite, scientifically known as “Blue Zoisite,” is found exclusively in Tanzania, making it a geographically limited gemstone. Its unique blue hue is not inherent in the rough stone; rather, it is a result of a chemical change achieved through heating the brown rough material. This heating process transforms the stone into the vibrant blue, blue-violet, or transparent blue-violet colors for which it is prized.
The gemstone’s rarity stems from this singular origin and the specific geological conditions required for its formation. Millions of carats have been mined since its discovery, but its limited source continues to influence its value and desirability.
Gemological Properties
Tanzanite possesses distinct gemological properties that contribute to its beauty and require careful consideration in jewelry making and care. Its hardness ranges from 6.5 to 7 on the Mohs scale, making it softer than diamonds, sapphires, and rubies. This relative softness means it is more susceptible to scratching and chipping, necessitating careful handling.
The ideal proportion of a tanzanite gemstone, crucial for its valuation, is determined by three key features: the width of the table, the height of the crown, and the depth of the pavilion. A well-cut stone exhibits a proportionate distribution of these elements. Too much depth in the pavilion is considered “too deep,” while excessive width in the table is “too shallow.”
Tanzanite is also pleochroic, meaning it displays different colors when viewed from different angles under direct light. This optical phenomenon adds to its visual complexity and allure.
Here's a summary of key properties:
| Property | Description |
|---|---|
| Mineral | Zoisite |
| Color | Blue, blue-violet, violet |
| Hardness (Mohs) | 6.5 - 7 |
| Pleochroism | Exhibits different colors from different angles |
| Origin | Tanzania |
Symbolism and Metaphysical Beliefs
Beyond its aesthetic appeal, tanzanite is believed to possess metaphysical properties. It is associated with harmonizing the mind and heart, unlocking insights, and fostering a deeper connection with the universe. The gemstone is thought to stimulate intuition and intellect, encouraging clear and compassionate communication.
The stone’s symbolism extends to promoting positivity, converting negative energies, and increasing the wearer’s strength. It is considered a stone of transformation, aiding in spiritual growth and self-expression. Some believe it can infuse an aura with tranquility and promote healing.
Care and Cleaning
Due to its relative softness, tanzanite requires careful handling and maintenance to preserve its beauty and longevity. Cleaning should be performed gently with mild soap and warm water, using a soft brush or cloth. Thorough rinsing and patting dry with a lint-free cloth are essential.
Tanzanite is susceptible to chipping and breaking, so it should be protected from rough activities or impacts. Prolonged exposure to direct sunlight can fade its color over time, so it is advisable to avoid wearing tanzanite jewelry for extended periods in strong sunlight.
Proper storage is also crucial. Tanzanite jewelry should be stored separately from other gemstones and jewelry to prevent scratches and damage, ideally in a soft pouch or jewelry box.
Tanzanite in Jewelry
Tanzanite is a popular choice for various jewelry pieces, including bracelets, rings, earrings, and pendants. Tanzanite bracelets, in particular, are frequently crafted with a single stone or multiple stones set along a chain or band. Sterling silver and 18-karat gold are common metals used in tanzanite jewelry settings. The gemstone’s vibrant color complements both white and yellow gold, enhancing its overall brilliance.
Market Considerations
It is important to note that there is currently no standardized grading system for tanzanite. Jewelry providers claiming to offer a specific grade may be employing marketing tactics rather than adhering to a recognized industry standard. Therefore, evaluating the value of a tanzanite gemstone relies on assessing its characteristics – color, clarity, cut, and carat weight – rather than relying on a numerical grade. While tanzanite can be a valuable gemstone, its market demand and value can fluctuate over time, making it essential to conduct thorough research before considering it as an investment.
Conclusion
Tanzanite, a relatively recent discovery, has quickly established itself as a highly sought-after gemstone, particularly as a December birthstone. Its captivating blue-violet hue, unique geological origin, and associated symbolism of wisdom, truth, and transformation contribute to its enduring appeal. While its relative softness requires careful handling, proper care will ensure that this stunning gemstone continues to radiate beauty and positive energy for years to come. Its limited source and increasing popularity suggest that tanzanite will remain a treasured gem for generations.